In order for the barge operator to meet his expenses he has to haul at least 120 tons of freight how many railroad cars must be barge operator haul on each trip to at least break even

(1, –1), (16, –4), (36, –6)

step-by-step explanation:

given that the function is

this can also be written as

we have to graph this function and check which list of points lie on the graph

see attachment for graph:

we find that the points lying are (1,-1) (16,-4) and (36,-6)

since square root is there we find that x can only be posiitve but y can be since square root both positive and negative.

$113.42

i hope that is right.

step-by-step explanation: